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← TechnologyWhich outcome is triggered when cylinder pre-ignition occurs?
A)Accelerated piston crown erosion forms✓
B)Increased engine oil oxidation happens
C)Exhaust manifold back pressure reduces
D)Fuel injector nozzle carbon deposits form
💡 Explanation
Piston crown erosion is increased during pre-ignition because uncontrolled combustion initiates prior to the spark, driving high temperature spikes. Therefore erosion rates increase, rather than more benign injector fouling or oil oxidation which could occur at more moderate temperature overruns.
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